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Lijun Qi

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  • Hebei Province, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous distillation process
    • Patent number 11,505,764
    • Issue date Nov 22, 2022
    • CHENGUANG BIOTECH GROUP CO., LTD
    • Lijun Qi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for preparing xanthophyll crystal
    • Patent number 8,921,615
    • Issue date Dec 30, 2014
    • Chenguang Biotech Group Co. Ltd.
    • Qingguo Lu
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTINUOUS DISTILLATION PROCESS
    • Publication number 20200255765
    • Publication date Aug 13, 2020
    • Chenguang Biotech Group Co., Ltd.
    • Lijun Qi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Process for Preparing Xanthophyll Crystal
    • Publication number 20140303406
    • Publication date Oct 9, 2014
    • CHENGUANG BIOTECH GROUP CO., LTD.
    • Qingguo Lu
    • C07 - ORGANIC CHEMISTRY